National Survey Investigating Hallucinogenic Trends
National Survey Investigating Hallucinogenic Trends
NSIHT: National Survey Investigating Hallucinogenic Trends
Summary
NSIHT focuses on individuals actively using psychedelics to inform overall safety, utility, and effectiveness using real-world evidence. This cross-sectional surveillance pilot study intends, over time, to be the most comprehensive study of psychedelic use in the United States. It was informed through focus groups and underwent external expert reviews.
Launched in April of 2024, the survey has over 4,300 respondents to date, capturing the following data:
- Patterns of use
- Reasons for use
- Therapeutic outcomes
- Measures of mental health symptoms
- Adverse events
- Physical/sexual assault
Development of pilot funded through US Substance Abuse and Mental Health Administration (SAMHSA) contract #A23-0105-00_9810
To learn more or for collaboration opportunities & additional survey capabilities, please contact us

NSIHT Psychedelic Survey Research
National population survey monitoring the real-world use of psychedelics to understand prevalence of use, context of use, benefits, and harms.